16c39710dSShuming Fan // SPDX-License-Identifier: GPL-2.0-only 26c39710dSShuming Fan // 36c39710dSShuming Fan // rt712-sdca-sdw.c -- rt712 SDCA ALSA SoC audio driver 46c39710dSShuming Fan // 56c39710dSShuming Fan // Copyright(c) 2023 Realtek Semiconductor Corp. 66c39710dSShuming Fan // 76c39710dSShuming Fan // 86c39710dSShuming Fan 96c39710dSShuming Fan #include <linux/delay.h> 106c39710dSShuming Fan #include <linux/device.h> 116c39710dSShuming Fan #include <linux/mod_devicetable.h> 126c39710dSShuming Fan #include <linux/module.h> 136c39710dSShuming Fan #include <linux/pm_runtime.h> 146c39710dSShuming Fan #include <linux/soundwire/sdw_registers.h> 156c39710dSShuming Fan #include "rt712-sdca.h" 166c39710dSShuming Fan #include "rt712-sdca-sdw.h" 176c39710dSShuming Fan 186c39710dSShuming Fan static bool rt712_sdca_readable_register(struct device *dev, unsigned int reg) 196c39710dSShuming Fan { 206c39710dSShuming Fan switch (reg) { 216c39710dSShuming Fan case 0x201a ... 0x201f: 226c39710dSShuming Fan case 0x2029 ... 0x202a: 236c39710dSShuming Fan case 0x202d ... 0x2034: 246c39710dSShuming Fan case 0x2230 ... 0x2232: 256c39710dSShuming Fan case 0x2f01 ... 0x2f0a: 266c39710dSShuming Fan case 0x2f35 ... 0x2f36: 276c39710dSShuming Fan case 0x2f50: 286c39710dSShuming Fan case 0x2f54: 296c39710dSShuming Fan case 0x2f58 ... 0x2f5d: 306c39710dSShuming Fan case 0x3201: 316c39710dSShuming Fan case 0x320c: 326c39710dSShuming Fan case 0x3301 ... 0x3303: 336c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_SELECTED_MODE, 0): 346c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_DETECTED_MODE, 0): 356c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_CURRENT_OWNER, 0) ... 366c39710dSShuming Fan SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_MESSAGE_LENGTH, 0): 376c39710dSShuming Fan case RT712_BUF_ADDR_HID1 ... RT712_BUF_ADDR_HID2: 386c39710dSShuming Fan return true; 396c39710dSShuming Fan default: 406c39710dSShuming Fan return false; 416c39710dSShuming Fan } 426c39710dSShuming Fan } 436c39710dSShuming Fan 446c39710dSShuming Fan static bool rt712_sdca_volatile_register(struct device *dev, unsigned int reg) 456c39710dSShuming Fan { 466c39710dSShuming Fan switch (reg) { 476c39710dSShuming Fan case 0x201b: 486c39710dSShuming Fan case 0x201c: 496c39710dSShuming Fan case 0x201d: 506c39710dSShuming Fan case 0x201f: 516c39710dSShuming Fan case 0x202d ... 0x202f: 526c39710dSShuming Fan case 0x2230: 536c39710dSShuming Fan case 0x2f01: 546c39710dSShuming Fan case 0x2f35: 556c39710dSShuming Fan case 0x320c: 566c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_DETECTED_MODE, 0): 576c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_CURRENT_OWNER, 0) ... 586c39710dSShuming Fan SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_MESSAGE_LENGTH, 0): 596c39710dSShuming Fan case RT712_BUF_ADDR_HID1 ... RT712_BUF_ADDR_HID2: 606c39710dSShuming Fan return true; 616c39710dSShuming Fan default: 626c39710dSShuming Fan return false; 636c39710dSShuming Fan } 646c39710dSShuming Fan } 656c39710dSShuming Fan 666c39710dSShuming Fan static bool rt712_sdca_mbq_readable_register(struct device *dev, unsigned int reg) 676c39710dSShuming Fan { 686c39710dSShuming Fan switch (reg) { 696c39710dSShuming Fan case 0x2000000 ... 0x200008e: 706c39710dSShuming Fan case 0x5300000 ... 0x530000e: 716c39710dSShuming Fan case 0x5400000 ... 0x540000e: 726c39710dSShuming Fan case 0x5600000 ... 0x5600008: 736c39710dSShuming Fan case 0x5700000 ... 0x570000d: 746c39710dSShuming Fan case 0x5800000 ... 0x5800021: 756c39710dSShuming Fan case 0x5900000 ... 0x5900028: 766c39710dSShuming Fan case 0x5a00000 ... 0x5a00009: 776c39710dSShuming Fan case 0x5b00000 ... 0x5b00051: 786c39710dSShuming Fan case 0x5c00000 ... 0x5c0009a: 796c39710dSShuming Fan case 0x5d00000 ... 0x5d00009: 806c39710dSShuming Fan case 0x5f00000 ... 0x5f00030: 816c39710dSShuming Fan case 0x6100000 ... 0x6100068: 826c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_VOLUME, CH_L): 836c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_VOLUME, CH_R): 846c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_VOLUME, CH_L): 856c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_VOLUME, CH_R): 866c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_VOLUME, CH_L): 876c39710dSShuming Fan case SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_VOLUME, CH_R): 886c39710dSShuming Fan return true; 896c39710dSShuming Fan default: 906c39710dSShuming Fan return false; 916c39710dSShuming Fan } 926c39710dSShuming Fan } 936c39710dSShuming Fan 946c39710dSShuming Fan static bool rt712_sdca_mbq_volatile_register(struct device *dev, unsigned int reg) 956c39710dSShuming Fan { 966c39710dSShuming Fan switch (reg) { 976c39710dSShuming Fan case 0x2000000: 986c39710dSShuming Fan case 0x200001a: 996c39710dSShuming Fan case 0x2000024: 1006c39710dSShuming Fan case 0x2000046: 1016c39710dSShuming Fan case 0x200008a: 1026c39710dSShuming Fan case 0x5800000: 1036c39710dSShuming Fan case 0x5800001: 1046c39710dSShuming Fan case 0x6100008: 1056c39710dSShuming Fan return true; 1066c39710dSShuming Fan default: 1076c39710dSShuming Fan return false; 1086c39710dSShuming Fan } 1096c39710dSShuming Fan } 1106c39710dSShuming Fan 1116c39710dSShuming Fan static const struct regmap_config rt712_sdca_regmap = { 1126c39710dSShuming Fan .reg_bits = 32, 1136c39710dSShuming Fan .val_bits = 8, 1146c39710dSShuming Fan .readable_reg = rt712_sdca_readable_register, 1156c39710dSShuming Fan .volatile_reg = rt712_sdca_volatile_register, 1166c39710dSShuming Fan .max_register = 0x44ffffff, 1176c39710dSShuming Fan .reg_defaults = rt712_sdca_reg_defaults, 1186c39710dSShuming Fan .num_reg_defaults = ARRAY_SIZE(rt712_sdca_reg_defaults), 119f438c799SMark Brown .cache_type = REGCACHE_MAPLE, 1206c39710dSShuming Fan .use_single_read = true, 1216c39710dSShuming Fan .use_single_write = true, 1226c39710dSShuming Fan }; 1236c39710dSShuming Fan 1246c39710dSShuming Fan static const struct regmap_config rt712_sdca_mbq_regmap = { 1256c39710dSShuming Fan .name = "sdw-mbq", 1266c39710dSShuming Fan .reg_bits = 32, 1276c39710dSShuming Fan .val_bits = 16, 1286c39710dSShuming Fan .readable_reg = rt712_sdca_mbq_readable_register, 1296c39710dSShuming Fan .volatile_reg = rt712_sdca_mbq_volatile_register, 1306c39710dSShuming Fan .max_register = 0x41000312, 1316c39710dSShuming Fan .reg_defaults = rt712_sdca_mbq_defaults, 1326c39710dSShuming Fan .num_reg_defaults = ARRAY_SIZE(rt712_sdca_mbq_defaults), 133f438c799SMark Brown .cache_type = REGCACHE_MAPLE, 1346c39710dSShuming Fan .use_single_read = true, 1356c39710dSShuming Fan .use_single_write = true, 1366c39710dSShuming Fan }; 1376c39710dSShuming Fan 1386c39710dSShuming Fan static int rt712_sdca_update_status(struct sdw_slave *slave, 1396c39710dSShuming Fan enum sdw_slave_status status) 1406c39710dSShuming Fan { 1416c39710dSShuming Fan struct rt712_sdca_priv *rt712 = dev_get_drvdata(&slave->dev); 1426c39710dSShuming Fan 1436c39710dSShuming Fan if (status == SDW_SLAVE_UNATTACHED) 1446c39710dSShuming Fan rt712->hw_init = false; 1456c39710dSShuming Fan 1466c39710dSShuming Fan if (status == SDW_SLAVE_ATTACHED) { 1476c39710dSShuming Fan if (rt712->hs_jack) { 1486c39710dSShuming Fan /* 1496c39710dSShuming Fan * Due to the SCP_SDCA_INTMASK will be cleared by any reset, and then 1506c39710dSShuming Fan * if the device attached again, we will need to set the setting back. 1516c39710dSShuming Fan * It could avoid losing the jack detection interrupt. 1526c39710dSShuming Fan * This also could sync with the cache value as the rt712_sdca_jack_init set. 1536c39710dSShuming Fan */ 1546c39710dSShuming Fan sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INTMASK1, 1556c39710dSShuming Fan SDW_SCP_SDCA_INTMASK_SDCA_0); 1566c39710dSShuming Fan sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INTMASK2, 1576c39710dSShuming Fan SDW_SCP_SDCA_INTMASK_SDCA_8); 1586c39710dSShuming Fan } 1596c39710dSShuming Fan } 1606c39710dSShuming Fan 1616c39710dSShuming Fan /* 1626c39710dSShuming Fan * Perform initialization only if slave status is present and 1636c39710dSShuming Fan * hw_init flag is false 1646c39710dSShuming Fan */ 1655cd02f96SKrzysztof Kozlowski if (rt712->hw_init || status != SDW_SLAVE_ATTACHED) 1666c39710dSShuming Fan return 0; 1676c39710dSShuming Fan 1686c39710dSShuming Fan /* perform I/O transfers required for Slave initialization */ 1696c39710dSShuming Fan return rt712_sdca_io_init(&slave->dev, slave); 1706c39710dSShuming Fan } 1716c39710dSShuming Fan 1726c39710dSShuming Fan static int rt712_sdca_read_prop(struct sdw_slave *slave) 1736c39710dSShuming Fan { 1746c39710dSShuming Fan struct sdw_slave_prop *prop = &slave->prop; 1756c39710dSShuming Fan int nval; 1766c39710dSShuming Fan int i, j; 1776c39710dSShuming Fan u32 bit; 1786c39710dSShuming Fan unsigned long addr; 1796c39710dSShuming Fan struct sdw_dpn_prop *dpn; 1806c39710dSShuming Fan 1816c39710dSShuming Fan prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; 1826c39710dSShuming Fan prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY; 1836c39710dSShuming Fan 1846c39710dSShuming Fan prop->paging_support = true; 1856c39710dSShuming Fan 1866c39710dSShuming Fan /* first we need to allocate memory for set bits in port lists */ 1876c39710dSShuming Fan prop->source_ports = BIT(4); /* BITMAP: 00010000 */ 1886c39710dSShuming Fan prop->sink_ports = BIT(3) | BIT(1); /* BITMAP: 00001010 */ 1896c39710dSShuming Fan 1906c39710dSShuming Fan nval = hweight32(prop->source_ports); 1916c39710dSShuming Fan prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, 1926c39710dSShuming Fan sizeof(*prop->src_dpn_prop), GFP_KERNEL); 1936c39710dSShuming Fan if (!prop->src_dpn_prop) 1946c39710dSShuming Fan return -ENOMEM; 1956c39710dSShuming Fan 1966c39710dSShuming Fan i = 0; 1976c39710dSShuming Fan dpn = prop->src_dpn_prop; 1986c39710dSShuming Fan addr = prop->source_ports; 1996c39710dSShuming Fan for_each_set_bit(bit, &addr, 32) { 2006c39710dSShuming Fan dpn[i].num = bit; 2016c39710dSShuming Fan dpn[i].type = SDW_DPN_FULL; 2026c39710dSShuming Fan dpn[i].simple_ch_prep_sm = true; 2036c39710dSShuming Fan dpn[i].ch_prep_timeout = 10; 2046c39710dSShuming Fan i++; 2056c39710dSShuming Fan } 2066c39710dSShuming Fan 2076c39710dSShuming Fan /* do this again for sink now */ 2086c39710dSShuming Fan nval = hweight32(prop->sink_ports); 2096c39710dSShuming Fan prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval, 2106c39710dSShuming Fan sizeof(*prop->sink_dpn_prop), GFP_KERNEL); 2116c39710dSShuming Fan if (!prop->sink_dpn_prop) 2126c39710dSShuming Fan return -ENOMEM; 2136c39710dSShuming Fan 2146c39710dSShuming Fan j = 0; 2156c39710dSShuming Fan dpn = prop->sink_dpn_prop; 2166c39710dSShuming Fan addr = prop->sink_ports; 2176c39710dSShuming Fan for_each_set_bit(bit, &addr, 32) { 2186c39710dSShuming Fan dpn[j].num = bit; 2196c39710dSShuming Fan dpn[j].type = SDW_DPN_FULL; 2206c39710dSShuming Fan dpn[j].simple_ch_prep_sm = true; 2216c39710dSShuming Fan dpn[j].ch_prep_timeout = 10; 2226c39710dSShuming Fan j++; 2236c39710dSShuming Fan } 2246c39710dSShuming Fan 2256c39710dSShuming Fan /* set the timeout values */ 2266c39710dSShuming Fan prop->clk_stop_timeout = 1380; 2276c39710dSShuming Fan 2286c39710dSShuming Fan /* wake-up event */ 2296c39710dSShuming Fan prop->wake_capable = 1; 2306c39710dSShuming Fan 2316c39710dSShuming Fan return 0; 2326c39710dSShuming Fan } 2336c39710dSShuming Fan 2346c39710dSShuming Fan static int rt712_sdca_interrupt_callback(struct sdw_slave *slave, 2356c39710dSShuming Fan struct sdw_slave_intr_status *status) 2366c39710dSShuming Fan { 2376c39710dSShuming Fan struct rt712_sdca_priv *rt712 = dev_get_drvdata(&slave->dev); 2386c39710dSShuming Fan int ret, stat; 2396c39710dSShuming Fan int count = 0, retry = 3; 2406c39710dSShuming Fan unsigned int sdca_cascade, scp_sdca_stat1, scp_sdca_stat2 = 0; 2416c39710dSShuming Fan 2426c39710dSShuming Fan dev_dbg(&slave->dev, 2436c39710dSShuming Fan "%s control_port_stat=%x, sdca_cascade=%x", __func__, 2446c39710dSShuming Fan status->control_port, status->sdca_cascade); 2456c39710dSShuming Fan 2466c39710dSShuming Fan if (cancel_delayed_work_sync(&rt712->jack_detect_work)) { 2476c39710dSShuming Fan dev_warn(&slave->dev, "%s the pending delayed_work was cancelled", __func__); 2486c39710dSShuming Fan /* avoid the HID owner doesn't change to device */ 2496c39710dSShuming Fan if (rt712->scp_sdca_stat2) 2506c39710dSShuming Fan scp_sdca_stat2 = rt712->scp_sdca_stat2; 2516c39710dSShuming Fan } 2526c39710dSShuming Fan 2536c39710dSShuming Fan /* 2546c39710dSShuming Fan * The critical section below intentionally protects a rather large piece of code. 2556c39710dSShuming Fan * We don't want to allow the system suspend to disable an interrupt while we are 2566c39710dSShuming Fan * processing it, which could be problematic given the quirky SoundWire interrupt 2576c39710dSShuming Fan * scheme. We do want however to prevent new workqueues from being scheduled if 2586c39710dSShuming Fan * the disable_irq flag was set during system suspend. 2596c39710dSShuming Fan */ 2606c39710dSShuming Fan mutex_lock(&rt712->disable_irq_lock); 2616c39710dSShuming Fan 2626c39710dSShuming Fan ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT1); 2636c39710dSShuming Fan if (ret < 0) 2646c39710dSShuming Fan goto io_error; 2656c39710dSShuming Fan rt712->scp_sdca_stat1 = ret; 2666c39710dSShuming Fan ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT2); 2676c39710dSShuming Fan if (ret < 0) 2686c39710dSShuming Fan goto io_error; 2696c39710dSShuming Fan rt712->scp_sdca_stat2 = ret; 2706c39710dSShuming Fan if (scp_sdca_stat2) 2716c39710dSShuming Fan rt712->scp_sdca_stat2 |= scp_sdca_stat2; 2726c39710dSShuming Fan 2736c39710dSShuming Fan do { 2746c39710dSShuming Fan /* clear flag */ 2756c39710dSShuming Fan ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT1); 2766c39710dSShuming Fan if (ret < 0) 2776c39710dSShuming Fan goto io_error; 2786c39710dSShuming Fan if (ret & SDW_SCP_SDCA_INTMASK_SDCA_0) { 2796c39710dSShuming Fan ret = sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INT1, 2806c39710dSShuming Fan SDW_SCP_SDCA_INTMASK_SDCA_0); 2816c39710dSShuming Fan if (ret < 0) 2826c39710dSShuming Fan goto io_error; 2836c39710dSShuming Fan } 2846c39710dSShuming Fan ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT2); 2856c39710dSShuming Fan if (ret < 0) 2866c39710dSShuming Fan goto io_error; 2876c39710dSShuming Fan if (ret & SDW_SCP_SDCA_INTMASK_SDCA_8) { 2886c39710dSShuming Fan ret = sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INT2, 2896c39710dSShuming Fan SDW_SCP_SDCA_INTMASK_SDCA_8); 2906c39710dSShuming Fan if (ret < 0) 2916c39710dSShuming Fan goto io_error; 2926c39710dSShuming Fan } 2936c39710dSShuming Fan 2946c39710dSShuming Fan /* check if flag clear or not */ 2956c39710dSShuming Fan ret = sdw_read_no_pm(rt712->slave, SDW_DP0_INT); 2966c39710dSShuming Fan if (ret < 0) 2976c39710dSShuming Fan goto io_error; 2986c39710dSShuming Fan sdca_cascade = ret & SDW_DP0_SDCA_CASCADE; 2996c39710dSShuming Fan 3006c39710dSShuming Fan ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT1); 3016c39710dSShuming Fan if (ret < 0) 3026c39710dSShuming Fan goto io_error; 3036c39710dSShuming Fan scp_sdca_stat1 = ret & SDW_SCP_SDCA_INTMASK_SDCA_0; 3046c39710dSShuming Fan 3056c39710dSShuming Fan ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT2); 3066c39710dSShuming Fan if (ret < 0) 3076c39710dSShuming Fan goto io_error; 3086c39710dSShuming Fan scp_sdca_stat2 = ret & SDW_SCP_SDCA_INTMASK_SDCA_8; 3096c39710dSShuming Fan 3106c39710dSShuming Fan stat = scp_sdca_stat1 || scp_sdca_stat2 || sdca_cascade; 3116c39710dSShuming Fan 3126c39710dSShuming Fan count++; 3136c39710dSShuming Fan } while (stat != 0 && count < retry); 3146c39710dSShuming Fan 3156c39710dSShuming Fan if (stat) 3166c39710dSShuming Fan dev_warn(&slave->dev, 3176c39710dSShuming Fan "%s scp_sdca_stat1=0x%x, scp_sdca_stat2=0x%x\n", __func__, 3186c39710dSShuming Fan rt712->scp_sdca_stat1, rt712->scp_sdca_stat2); 3196c39710dSShuming Fan 3206c39710dSShuming Fan if (status->sdca_cascade && !rt712->disable_irq) 3216c39710dSShuming Fan mod_delayed_work(system_power_efficient_wq, 3226c39710dSShuming Fan &rt712->jack_detect_work, msecs_to_jiffies(30)); 3236c39710dSShuming Fan 3246c39710dSShuming Fan mutex_unlock(&rt712->disable_irq_lock); 3256c39710dSShuming Fan 3266c39710dSShuming Fan return 0; 3276c39710dSShuming Fan 3286c39710dSShuming Fan io_error: 3296c39710dSShuming Fan mutex_unlock(&rt712->disable_irq_lock); 3306c39710dSShuming Fan pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); 3316c39710dSShuming Fan return ret; 3326c39710dSShuming Fan } 3336c39710dSShuming Fan 3346c39710dSShuming Fan static struct sdw_slave_ops rt712_sdca_slave_ops = { 3356c39710dSShuming Fan .read_prop = rt712_sdca_read_prop, 3366c39710dSShuming Fan .interrupt_callback = rt712_sdca_interrupt_callback, 3376c39710dSShuming Fan .update_status = rt712_sdca_update_status, 3386c39710dSShuming Fan }; 3396c39710dSShuming Fan 3406c39710dSShuming Fan static int rt712_sdca_sdw_probe(struct sdw_slave *slave, 3416c39710dSShuming Fan const struct sdw_device_id *id) 3426c39710dSShuming Fan { 3436c39710dSShuming Fan struct regmap *regmap, *mbq_regmap; 3446c39710dSShuming Fan 3456c39710dSShuming Fan /* Regmap Initialization */ 3466c39710dSShuming Fan mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_mbq_regmap); 3476c39710dSShuming Fan if (IS_ERR(mbq_regmap)) 3486c39710dSShuming Fan return PTR_ERR(mbq_regmap); 3496c39710dSShuming Fan 3506c39710dSShuming Fan regmap = devm_regmap_init_sdw(slave, &rt712_sdca_regmap); 3516c39710dSShuming Fan if (IS_ERR(regmap)) 3526c39710dSShuming Fan return PTR_ERR(regmap); 3536c39710dSShuming Fan 3546c39710dSShuming Fan return rt712_sdca_init(&slave->dev, regmap, mbq_regmap, slave); 3556c39710dSShuming Fan } 3566c39710dSShuming Fan 3576c39710dSShuming Fan static int rt712_sdca_sdw_remove(struct sdw_slave *slave) 3586c39710dSShuming Fan { 3596c39710dSShuming Fan struct rt712_sdca_priv *rt712 = dev_get_drvdata(&slave->dev); 3606c39710dSShuming Fan 3616c39710dSShuming Fan if (rt712->hw_init) { 3626c39710dSShuming Fan cancel_delayed_work_sync(&rt712->jack_detect_work); 3636c39710dSShuming Fan cancel_delayed_work_sync(&rt712->jack_btn_check_work); 3646c39710dSShuming Fan } 3656c39710dSShuming Fan 3666c39710dSShuming Fan if (rt712->first_hw_init) 3676c39710dSShuming Fan pm_runtime_disable(&slave->dev); 3686c39710dSShuming Fan 3696c39710dSShuming Fan mutex_destroy(&rt712->calibrate_mutex); 3706c39710dSShuming Fan mutex_destroy(&rt712->disable_irq_lock); 3716c39710dSShuming Fan 3726c39710dSShuming Fan return 0; 3736c39710dSShuming Fan } 3746c39710dSShuming Fan 3756c39710dSShuming Fan static const struct sdw_device_id rt712_sdca_id[] = { 3766c39710dSShuming Fan SDW_SLAVE_ENTRY_EXT(0x025d, 0x712, 0x3, 0x1, 0), 3776c39710dSShuming Fan SDW_SLAVE_ENTRY_EXT(0x025d, 0x713, 0x3, 0x1, 0), 3786c39710dSShuming Fan SDW_SLAVE_ENTRY_EXT(0x025d, 0x716, 0x3, 0x1, 0), 3796c39710dSShuming Fan SDW_SLAVE_ENTRY_EXT(0x025d, 0x717, 0x3, 0x1, 0), 3806c39710dSShuming Fan {}, 3816c39710dSShuming Fan }; 3826c39710dSShuming Fan MODULE_DEVICE_TABLE(sdw, rt712_sdca_id); 3836c39710dSShuming Fan 3846c39710dSShuming Fan static int __maybe_unused rt712_sdca_dev_suspend(struct device *dev) 3856c39710dSShuming Fan { 3866c39710dSShuming Fan struct rt712_sdca_priv *rt712 = dev_get_drvdata(dev); 3876c39710dSShuming Fan 3886c39710dSShuming Fan if (!rt712->hw_init) 3896c39710dSShuming Fan return 0; 3906c39710dSShuming Fan 3916c39710dSShuming Fan cancel_delayed_work_sync(&rt712->jack_detect_work); 3926c39710dSShuming Fan cancel_delayed_work_sync(&rt712->jack_btn_check_work); 3936c39710dSShuming Fan 3946c39710dSShuming Fan regcache_cache_only(rt712->regmap, true); 3956c39710dSShuming Fan regcache_cache_only(rt712->mbq_regmap, true); 3966c39710dSShuming Fan 3976c39710dSShuming Fan return 0; 3986c39710dSShuming Fan } 3996c39710dSShuming Fan 4006c39710dSShuming Fan static int __maybe_unused rt712_sdca_dev_system_suspend(struct device *dev) 4016c39710dSShuming Fan { 4026c39710dSShuming Fan struct rt712_sdca_priv *rt712_sdca = dev_get_drvdata(dev); 4036c39710dSShuming Fan struct sdw_slave *slave = dev_to_sdw_dev(dev); 4046c39710dSShuming Fan int ret1, ret2; 4056c39710dSShuming Fan 4066c39710dSShuming Fan if (!rt712_sdca->hw_init) 4076c39710dSShuming Fan return 0; 4086c39710dSShuming Fan 4096c39710dSShuming Fan /* 4106c39710dSShuming Fan * prevent new interrupts from being handled after the 4116c39710dSShuming Fan * deferred work completes and before the parent disables 4126c39710dSShuming Fan * interrupts on the link 4136c39710dSShuming Fan */ 4146c39710dSShuming Fan mutex_lock(&rt712_sdca->disable_irq_lock); 4156c39710dSShuming Fan rt712_sdca->disable_irq = true; 4166c39710dSShuming Fan ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1, 4176c39710dSShuming Fan SDW_SCP_SDCA_INTMASK_SDCA_0, 0); 4186c39710dSShuming Fan ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2, 4196c39710dSShuming Fan SDW_SCP_SDCA_INTMASK_SDCA_8, 0); 4206c39710dSShuming Fan mutex_unlock(&rt712_sdca->disable_irq_lock); 4216c39710dSShuming Fan 4226c39710dSShuming Fan if (ret1 < 0 || ret2 < 0) { 4236c39710dSShuming Fan /* log but don't prevent suspend from happening */ 4246c39710dSShuming Fan dev_dbg(&slave->dev, "%s: could not disable SDCA interrupts\n:", __func__); 4256c39710dSShuming Fan } 4266c39710dSShuming Fan 4276c39710dSShuming Fan return rt712_sdca_dev_suspend(dev); 4286c39710dSShuming Fan } 4296c39710dSShuming Fan 4306c39710dSShuming Fan #define RT712_PROBE_TIMEOUT 5000 4316c39710dSShuming Fan 4326c39710dSShuming Fan static int __maybe_unused rt712_sdca_dev_resume(struct device *dev) 4336c39710dSShuming Fan { 4346c39710dSShuming Fan struct sdw_slave *slave = dev_to_sdw_dev(dev); 4356c39710dSShuming Fan struct rt712_sdca_priv *rt712 = dev_get_drvdata(dev); 4366c39710dSShuming Fan unsigned long time; 4376c39710dSShuming Fan 4386c39710dSShuming Fan if (!rt712->first_hw_init) 4396c39710dSShuming Fan return 0; 4406c39710dSShuming Fan 441*7a8735c1SShuming Fan if (!slave->unattach_request) { 442*7a8735c1SShuming Fan if (rt712->disable_irq == true) { 443*7a8735c1SShuming Fan mutex_lock(&rt712->disable_irq_lock); 444*7a8735c1SShuming Fan sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0); 445*7a8735c1SShuming Fan sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8); 446*7a8735c1SShuming Fan rt712->disable_irq = false; 447*7a8735c1SShuming Fan mutex_unlock(&rt712->disable_irq_lock); 448*7a8735c1SShuming Fan } 4496c39710dSShuming Fan goto regmap_sync; 450*7a8735c1SShuming Fan } 4516c39710dSShuming Fan 4526c39710dSShuming Fan time = wait_for_completion_timeout(&slave->initialization_complete, 4536c39710dSShuming Fan msecs_to_jiffies(RT712_PROBE_TIMEOUT)); 4546c39710dSShuming Fan if (!time) { 4556c39710dSShuming Fan dev_err(&slave->dev, "Initialization not complete, timed out\n"); 4566c39710dSShuming Fan sdw_show_ping_status(slave->bus, true); 4576c39710dSShuming Fan 4586c39710dSShuming Fan return -ETIMEDOUT; 4596c39710dSShuming Fan } 4606c39710dSShuming Fan 4616c39710dSShuming Fan regmap_sync: 4626c39710dSShuming Fan slave->unattach_request = 0; 4636c39710dSShuming Fan regcache_cache_only(rt712->regmap, false); 4646c39710dSShuming Fan regcache_sync(rt712->regmap); 4656c39710dSShuming Fan regcache_cache_only(rt712->mbq_regmap, false); 4666c39710dSShuming Fan regcache_sync(rt712->mbq_regmap); 4676c39710dSShuming Fan return 0; 4686c39710dSShuming Fan } 4696c39710dSShuming Fan 4706c39710dSShuming Fan static const struct dev_pm_ops rt712_sdca_pm = { 4716c39710dSShuming Fan SET_SYSTEM_SLEEP_PM_OPS(rt712_sdca_dev_system_suspend, rt712_sdca_dev_resume) 4726c39710dSShuming Fan SET_RUNTIME_PM_OPS(rt712_sdca_dev_suspend, rt712_sdca_dev_resume, NULL) 4736c39710dSShuming Fan }; 4746c39710dSShuming Fan 4756c39710dSShuming Fan static struct sdw_driver rt712_sdca_sdw_driver = { 4766c39710dSShuming Fan .driver = { 4776c39710dSShuming Fan .name = "rt712-sdca", 4786c39710dSShuming Fan .owner = THIS_MODULE, 4796c39710dSShuming Fan .pm = &rt712_sdca_pm, 4806c39710dSShuming Fan }, 4816c39710dSShuming Fan .probe = rt712_sdca_sdw_probe, 4826c39710dSShuming Fan .remove = rt712_sdca_sdw_remove, 4836c39710dSShuming Fan .ops = &rt712_sdca_slave_ops, 4846c39710dSShuming Fan .id_table = rt712_sdca_id, 4856c39710dSShuming Fan }; 4866c39710dSShuming Fan module_sdw_driver(rt712_sdca_sdw_driver); 4876c39710dSShuming Fan 4886c39710dSShuming Fan MODULE_DESCRIPTION("ASoC RT712 SDCA SDW driver"); 4896c39710dSShuming Fan MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); 4906c39710dSShuming Fan MODULE_LICENSE("GPL"); 491